1 files changed, 67 insertions, 0 deletions
diff --git a/source/core/slang-app-context.cpp b/source/core/slang-app-context.cpp
new file mode 100644
index 000000000..2b3f32cbc
--- /dev/null
+++ b/source/core/slang-app-context.cpp
@@ -0,0 +1,67 @@
+
+#include "slang-app-context.h"
+
+#include "slang-writer.h"
+
+namespace Slang
+{
+
+/* static */AppContext* AppContext::s_singleton = nullptr;
+
+
+/* static */AppContext* AppContext::getDefault()
+{
+    static AppContext* s_context = nullptr;
+
+    if (!s_context)
+    {
+        static FileWriter s_stdError(stderr, WriterFlag::IsStatic | WriterFlag::IsUnowned | WriterFlag::AutoFlush);
+        static FileWriter s_stdOut(stdout, WriterFlag::IsStatic | WriterFlag::IsUnowned | WriterFlag::AutoFlush);
+
+        static AppContext s_contextVar;
+        s_context = &s_contextVar;
+
+        s_context->setWriter(SLANG_WRITER_CHANNEL_STD_ERROR, &s_stdError);
+        s_context->setWriter(SLANG_WRITER_CHANNEL_STD_OUTPUT, &s_stdOut);
+    }
+    return s_context;
+}
+
+/* static */AppContext* AppContext::initDefault()
+{
+    AppContext* context = getDefault();
+    setSingleton(context);
+    return context;
+}
+
+/* static */int AppContext::getReturnCode(SlangResult res)
+{
+    if (SLANG_SUCCEEDED(res))
+    {
+        return 0;
+    }
+    else if (res == SLANG_E_INTERNAL_FAIL)
+    {
+        return -1;
+    }
+    return 1;
+}
+
+void AppContext::setRequestWriters(SlangCompileRequest* request)
+{
+    for (int i = 0; i < SLANG_WRITER_CHANNEL_COUNT_OF; ++i)
+    {
+        if (m_replaceWriterFlags & (1 << i))
+        {
+            spSetWriter(request, SlangWriterChannel(i), m_writers[i]);
+        }
+    }
+}
+
+void AppContext::configureRequest(SlangCompileRequest* request)
+{
+    setRequestWriters(request);
+}
+
+}
+